24 34 561 Replacing Mechatronics (GA6HP26Z/6HP32Z)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

24 2 390

NOTE:

After completing work:

Load specific data version with DIS.

IMPORTANT:

After completion of work, check TRANSMISSION OIL LEVEL .

Use only approved transmission fluid.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT:

Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks:

E60/ E61/ E63/ E64, E70 N62 only:

Remove EXHAUST SYSTEM at manifold and lower.
Release cross-member from exhaust system on transmission.
Remove left and right heat shields.
Remove TRANSMISSION CROSS-MEMBER .

NOTE:

Version 1:

Unfasten nut.

Remove cable (1).

Installation:

ADJUSTING SHIFT LEVER

Fig 1: Locating Holder And Nut

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NOTE:

Version 2:

Grip clamping sleeve (1) and slacken nut (2).

Detach retainer (3) towards bottom using a screwdriver.

Pull cable (4) out of holder.

Installation:

ADJUST SELECTOR LEVER

Fig 2: Identifying Cable, Retainer And Slacken Nut

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NOTE:

Version 3:

Release screw (1).

Remove clamp (2).

Release shift cable head (3) using a screwdriver from ball head of shift cable lever.

Installation:

ADJUST SELECTOR LEVER

Fig 3: Identifying Shift Cable Head, Clamp And Screw

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Secure lever (1) with a cable tie (2) or wire in vertical position.

NOTE:

Illustration shows E65.

Fig 4: Identifying Oil Drain Plug

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IMPORTANT:

Mechatronics can be destroyed by static discharges.

Therefore the contacts inside the plug must not be touched.

Insert special tool immediately after work step.

Unscrew plug (1) and disconnect.

Fig 5: Releasing Cable From Retainers

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Insert special tool 24 2 390 in sealing sleeve (1).

Remove TRANSMISSION OIL SUMP

Fig 6: Identifying Special Tools (24 2 390)

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Unlock sealing sleeve with slide (1).

Fig 7: Identifying Sealing Sleeve With Slide

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Note position of sealing sleeve.

Pull out sealing sleeve (1).

Installation:

Screw in sealing sleeve partially (lug in upper area). Turn until lug engages in groove of transmission. Slide in sealing sleeve.

Lug on sealing sleeve must not be damaged!

Fig 8: Pulling Out Sealing Sleeve

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Release all screws (1 and 2).

1 = M6 x 58 mm
2 = M6 x 20 mm

Remove mechatronics.

Fig 9: Identifying Mechatronics

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IMPORTANT:

E65/66 only:

Mechatronics without protective bar for solenoid valve must not be reused after removal.

Fig 10: Identifying Protective Bar For Solenoid Valve

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IMPORTANT:

E65/66 only:

Fit/reuse only mechatronics with protective bar (1) for solenoid valve.

Fig 11: Identifying Protective Bar For Solenoid Valve

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Installation:

Check gaskets (1 and 2) for damage, replace gaskets if necessary.

Coat new seals with automatic transmission fluid and install.

Fig 12: Identifying Automatic Transmission Gasket

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Installation:

Insert screws (3) alternately until contact is made with each screw head.

Insert all further screws contact is made with each screw head.

Fig 13: Identifying Screw Head

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IMPORTANT:

Tighten down screws in order 1...10.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Tightening torque 24 30 1AZ . See HYDRAULIC/ELECTRIC CONTROL PARTS AND CONTROLLING ELEMENTS for specs.

Fig 14: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

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